Toothbrush



FIG. 1 is a rear end elevational view of a toothbrush showing my newdesign;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof, of which a right sideelevational view is a mirror image; and,

FIG. 6 is a perspective view.

The ornamental design for a toothbrush, as shown and described.